/*
 * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package com.sun.max.tele.field;

import com.sun.max.tele.*;
import com.sun.max.tele.object.*;
import com.sun.max.tele.reference.*;
import com.sun.max.tele.util.*;
import com.sun.max.vm.type.*;

/**
 * An accessor for reading static fields from VM memory, specified by class and field name.
 */
public abstract class TeleStaticFieldAccess extends TeleFieldAccess {

    protected TeleStaticFieldAccess(Class holder, String name, Kind kind) {
        super(holder, name, kind);
        TeleError.check(fieldActor().isStatic());
    }

    /**
     * Gets a reference to the static tuple holding the value of this field.
     */
    public RemoteReference staticTupleReference(MaxVM vm) {
        final TeleClassActor teleClassActor = vm.classes().findTeleClassActor(fieldActor().holder().typeDescriptor);
        final TeleStaticTuple teleStaticTuple = teleClassActor.getTeleStaticTuple();
        return teleStaticTuple.reference();
    }
}
